#include<stdio.h>
int main()
{
	char a[1000],b[1000];
	int i=0,n=0;
	gets(a);
	while(a[i]!='\0')
	{
		if(a[i]=='a'||a[i]=='e'||a[i]=='i'||a[i]=='o'||a[i]=='u')
		{
			b[n]=a[i];
			n++;
		}
		i++;
	}
	b[n]='\0';
	puts(b);
	return 0;
}
